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Finding the Fourth Proportional to 546,624.02, 754,352.52 and 304,916.78

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Solution

The fourth proportional to 546,624.02, 754,352.52 and 304,916.78 is: 420,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,624.02 : 754,352.52 = 304,916.78 : x
  2. Step 2: Convert to fraction form
    546,624.02/754,352.52 = 304,916.78/x
  3. Step 3: Cross multiply
    546,624.02x = 754,352.52 × 304,916.78
  4. Step 4: Simplify right side
    546,624.02x = 230,014,741,383.29
  5. Step 5: Solve for x
    x = 230,014,741,383.29/546,624.02
  6. Step 6: Final answer
    x = 420,791.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.